We want to be able to use "dns=none" (without peer-to-peer gossip)
even for clusters that have the k8s.local extension. These were
previously called "gossip clusters", but really that is an
implementation; what actually matters to users is that they don't rely
on writing records into a DNS zone (such as Route53).
More changes for do vpc
some more minor updates
Fix PrivateIP check
Bazel fixes
Minor changes for vpc listing
Minor fixes for DO VPC
Add delete vpc logic
More fixes for vpc usage with gossip based clusters
Fix minor comments in code
Fix mock DO interface to use missing functions
Another fix for mock cloud do for missing interface function
incorporate review comments
incorporate review comments